/Engine/Source/Runtime/Engine/Classes/Engine/World.h
Test the collision of a shape at the supplied location using a specific channel, and return if any blocking overlap is found
TRUE if any blocking results are found
bool OverlapBlockingTestByChannel ( const FVector & Pos, const FQuat & Rot, ECollisionChannel TraceChannel, const [FCollisionShape](API\Runtime\PhysicsCore\FCollisionShape) & CollisionShape, const [FCollisionQueryParams](API\Runtime\Engine\FCollisionQueryParams) & Params, const [FCollisionResponseParams](API\Runtime\Engine\FCollisionResponseParams) & ResponseParam ) const